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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HSEh1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-53.213352
Energy at 298.15K-53.219199
HF Energy-53.213352
Nuclear repulsion energy32.155251
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2618 2513 0.00 268.01 0.11 0.20
2 Ag 2194 2107 0.00 84.37 0.07 0.12
3 Ag 1190 1142 0.00 11.76 0.69 0.82
4 Ag 819 786 0.00 18.11 0.19 0.32
5 Au 851 817 0.00 0.00 0.23 0.37
6 B1g 2696 2588 0.00 108.37 0.75 0.86
7 B1g 931 893 0.00 1.52 0.75 0.86
8 B1u 2042 1960 3.76 0.00 0.00 0.00
9 B1u 980 941 15.77 0.00 0.75 0.86
10 B2g 1890 1815 0.00 5.04 0.75 0.86
11 B2g 899 863 0.00 2.62 0.75 0.86
12 B2u 2711 2603 167.75 0.00 0.00 0.00
13 B2u 915 879 0.03 0.00 0.00 0.00
14 B2u 330 317 16.70 0.00 0.00 0.00
15 B3g 1001 961 0.00 17.89 0.75 0.86
16 B3u 2603 2499 144.04 0.00 0.00 0.00
17 B3u 1719 1650 417.09 0.00 0.00 0.00
18 B3u 1182 1134 60.29 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13784.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 13234.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/TZVP
ABC
2.67100 0.61711 0.56693

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.875 0.000 0.000
B2 -0.875 0.000 0.000
H3 0.000 0.000 0.983
H4 0.000 0.000 -0.983
H5 1.454 1.041 0.000
H6 1.454 -1.041 0.000
H7 -1.454 1.041 0.000
H8 -1.454 -1.041 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.74941.31571.31571.19091.19092.55072.5507
B21.74941.31571.31572.55072.55071.19091.1909
H31.31571.31571.96552.04032.04032.04032.0403
H41.31571.31571.96552.04032.04032.04032.0403
H51.19092.55072.04032.04032.08102.90813.5760
H61.19092.55072.04032.04032.08103.57602.9081
H72.55071.19092.04032.04032.90813.57602.0810
H82.55071.19092.04032.04033.57602.90812.0810

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.341 B1 H4 B2 83.341
H3 B1 H4 96.659 H3 B1 H5 108.870
H3 B1 H6 108.870 H3 B2 H4 96.659
H3 B2 H7 108.870 H3 B2 H8 108.870
H4 B1 H5 108.870 H4 B1 H6 108.870
H4 B2 H7 108.870 H4 B2 H8 108.870
H5 B1 H6 121.783 H7 B2 H8 121.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.166      
2 B -0.166      
3 H 0.101      
4 H 0.101      
5 H 0.032      
6 H 0.032      
7 H 0.032      
8 H 0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.851 0.000 0.000
y 0.000 -17.847 0.000
z 0.000 0.000 -14.819
Traceless
 xyz
x -2.517 0.000 0.000
y 0.000 -1.012 0.000
z 0.000 0.000 3.529
Polar
3z2-r27.059
x2-y2-1.003
xy0.000
xz0.000
yz0.000


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